Erik Spiekermann Books

FontBook Digital Typeface Compendium

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F Stop Catalog 1

By Stefan Sagmeister

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Stop Stealing Sheep & Find Out How Type Works

By Erik Spiekermann, E.M Ginger

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"Designers can be passionate about good type, and this classic handbook has inspired countless designers when choosing a typeface. Spiekermann and Ginger have distilled their decades of typographic...

Stop Stealing Sheep & Find Out How Type Works, Third Edition

By Erik Spiekermann

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Stop Stealing Sheep & Find Out How Type Works

By Erik Spiekermann, E.M. Ginger

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Ursache und Wirkung: ein typografischer Roman

By Erik Spiekermann

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Rhyme & reason.

By Erik Spiekermann, Spiekermann Erik

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Made With Fontfont

By Erik Spiekermann

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.